Elmore, William C. . Electronics: Experimental Techniques / Textual Documents William C. Elmore & M. Sands. - 1st ed. / - New York : McGraw - Hill book Company , 1949. - xviii, 417p. : ill. ; 24cm . Index ISBN: HB Subjects--Index Terms: Physics Electronics PG-Physics Dewey Class. No.: 539.82 / El 64 El